my guess is that they are tired of each other and want to go separate ways. But...they fear that once they separeted...there would hardly be any career future left...(they are used being so rich already) So the fear and the pressure (and possibly the mysterious bond) are the symbols in this pic~

ps: and lena (possibly) said that she wants to leave the group...so i drew a tool kind of thing in her hand :rolleyes: